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FY2026 GAA: ₱6.79T
PisoScan
DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works

Transaction details

API
Transaction action

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - DAVAO ORIENTAL 1ST Award a ₱27.6M contract to O.G. SANTOS CONSTRUCTIONNational agencies

Transaction hash:
dca76d886e6ec2f0cb9d734345d202ebc31847128bd3d64963413a9bf8acb152
Status:
Included and unchanged
Block:
#3,408 2,605 blocks after it
Position in block:
Transaction 138 of 161
Award day:
May 3, 2018 (8 yrs 6 mo ago)
Value:
₱27,572,675.53
Project:
(18LF0050)Construction/Rehabilitation of Revetmen

Accountability

Bill Sec. 3 and 19
Accountable officer:
Not stated in the source. PhilGEPS does not publish who certified the award.
Certification:
Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.
Demo signature:
Block #3,408 signature valid Demo key, proves nothing about the governmentPublic key

Linked records: from budget to payment

Bill Sec. 5
  1. 1. Appropriation
    GAA line item · Sec. 5(b)
    DPWH lists the funding source as "Regular Infra - GAA 2018 OO-2", i.e. the FY2018 GAA. The exact UACS line is not given.
    Partly
  2. 2. Allotment release
    SARO / allotment · Sec. 5(c)(iii)
    Not published per project. DBM releases SAROs, but not linked to individual contracts.
    Not published
  3. 3. Cash allocation
    Notice of Cash Allocation · Sec. 5(c)(iv)
    Not published per project.
    Not published
  4. 4. Contract award
    Notice of Award (PhilGEPS) · Sec. 5(d)
    DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - DAVAO ORIENTAL 1ST awarded it to O.G. SANTOS CONSTRUCTION on 2018-05-03.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 18LF0050: Completed, 100% physical progress.
    Found
  6. 6. Payment
    Disbursement voucher · Sec. 5(c)(viii)
    Not published. No public source shows how much of this contract has been paid.
    Not published
  7. 7. Completion
    Certificate of completion · Sec. 5(d)
    DPWH marks the contract "Completed" (end 2018-12-02). The certificate itself is not published.
    Partly
  8. 8. Audit
    COA annual audit report · Sec. 5(e)(iii)
    No COA finding linked to this contract.
    Not published

2 of 8 documents found, 2 partly. Under CADENA every step would be published within 7 working days and linked to this record.

Tamper test: try changing this record

Demo

Edit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.

  1. 1. Record fingerprint changed
    stored   dca76d886e…acb152now      …
  2. 2. Block Merkle root changed
    stored   30dff06441…ead2c8now      …
  3. 3. Block #3408 hash changed
    stored   b4ee4ca347…b4c197now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (8 steps)

How this one record is tied to the block's Merkle root, without needing the other 160 records. Each step hashes the current value together with the sibling shown.

  1. leaf  dca76d886e6ec2f0cb9d734345d202ebc31847128bd3d64963413a9bf8acb152
  2. 01 R de443e87453031f147a6fa3f597a27fe5bf97844fcca0508561728c09a62285a
  3. 02 L 0dce9a723e1c1266a16e4d725bd61e39dfba4e1427e1205d80d1d9d196c1742d
  4. 03 R f9a6de335ffac48c9e18c4f3b599154e1037ce744fc2abb65dd2cbf2738a6c3e
  5. 04 L bbdcb55a73d01717fb1683e783c87ba27006b07860e9c8d5a1ef17fee7f1e1cb
  6. 05 R 637c2e1b445f501d8919c68799ebe431f4baeb16fd70f0e91252e7d0f85abd23
  7. 06 R c1734d310a19309896ffe0c8209816939d83fb11bec02869531d52927b3e879f
  8. 07 R 9f659d1c3cc562cdb195f6a31f45b5359fb11974d44819c21d6a4db2e15315fa
  9. 08 L 4049227a47a7c3469a8e3796693ad7b9e47c64c3dae8d0eeeea98ce04b89ef02
  10. root  30dff064412b203cd764c2a0549caf75f95de2ec827eaa3133d6fbd00eead2c8